Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X8MD741550 · Truck-Tractor · TRUCK
Carriers run under2
26 mo
Inspections7
all-time
OOS inspections1
of 7
First seenMar 19, 2024
TX
Last seenMay 6, 2026
KS
Inspected under 2 different carriers in 26 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X8MD741550
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 19, 2024 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026KSII · Walk-around1—HOUSER TRANSPORT LLC 3452785R829708/TX
Apr 13, 2026MTIII · Driver-only0—HOUSER TRANSPORT LLC 3452785R829708/TX
Jun 16, 2025KSI · Full5—BIG AND RHEA LLC 2945220R537046/TX
Apr 15, 2025SDIII · Driver-only0—BIG AND RHEA LLC 2945220R537046/TX
May 20, 2024MTIII · Driver-only0—BIG AND RHEA LLC 2945220R537046/TX
Mar 22, 2024CAI · Full2OOSBIG AND RHEA LLC 2945220R537046/TX
Mar 19, 2024TXIII · Driver-only0—BIG AND RHEA LLC 2945220R537046/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HOUSER TRANSPORT LLC3452785Apr 13, 2026May 6, 20262TX
BIG AND RHEA LLC2945220Mar 19, 2024Jun 16, 20255TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
R829708TX—HOUSER TRANSPORT LLCApr 13, 2026 → May 6, 20262
R537046TX—BIG AND RHEA LLCMar 19, 2024 → Jun 16, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026